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The value of "tan"^(-1)(1)/(2)+"tan"^(...

The value of `"tan"^(-1)(1)/(2)+"tan"^(-1)(1)/(3)+"tan"^(-1)(7)/(8)` is

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2"tan"^(-1)1/3+"tan"^(-1)1/7=

2Tan^(-1)(1)/(3)+tan^(-1)((1)/(7))=

2tan^(-1)((1)/(5))+tan^(-1)((1)/(8))= tan^(-1)((4)/(7))

2tan^(-1)((1)/(5))+tan^(-1)((1)/(7))+2tan^(-1)((1)/(8))=

2"tan"^(-1)1/5+"tan"^(-1)1/7+2"tan"^(-1)1/8=

Prove that "tan"^(-1)(1)/(5) +"tan"^(-1)(1)/(7) +"tan"^(-1)(1)/(3) +"tan"^(-1)(1)/(8) =(pi)/(4) .

The value of tan^(-1)1+tan^(-1)2+tan^(-1)3 is

The value of tan^(-1)1+tan^(-1)2+tan^(-1)3 is

The value of tan^(-1)((1)/(3))+tan^(-1)((2)/(9))+tan^(-1)((4)/(33))+tan^(-1)((8)/(129))+...n terms is:

2"Tan"^(-1)1/3+"Tan"^(-1)1/7=